An item sells for $40. The sales tax on the item is 8%. What is the sales tax?

Acircular hot tub located near the middle of a rectangular patio has a diameter of 48 inches. the patio measures 11 feet by 6 feet. what is the area of the patio that is not covered by the hot tub?

Ateacher has $80 to buy workbooks. each work book cost $3. if she buys as many workbooks as possible, how much money does she have leftover? a) $2 b) $4 c) $6 d) $8

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2